NEWTOWN, Conn. -- Worshippers hurriedly left a church Sunday when someone phoned in a threat as parishioners remembered 20 children and six adults who were massacred at an elementary school, but police later said nothing dangerous was found.

WASHINGTON -- President Barack Obama will attend an evening vigil in Newtown, Connecticut, on Sunday to mourn with a town still seeking to comprehend the unimaginable massacre of its children and teachers.

KINGSTON, N.H. -- Relatives of a Connecticut woman fatally shot by her son before he killed 26 people at a school then killed himself say in a statement that they share the grief of the Newtown community and Americans everywhere.

NEWTOWN, Conn. -- The victims of the U.S. school shooting were shot multiple times by semi-automatic rifle, the medical examiner said Saturday, and he called the injuries "devastating" and the worst he and colleagues had ever seen.

The tragic Newtown massacre has caused an out pouring of condemnation and grief on Twitter.
This is a collection of some of the most heartbreaking Tweets that have been sent out since the tragedy occurred.